TDA7466 查看數據表（PDF） - STMicroelectronics

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TDA7466

DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER

STMicroelectronics 

TDA7466

ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test Condition

SPEAKER & RECORD ATTENUATORS

Crange

Control Range

SSTEP

Step Resolution

EA

Attenuation set error

VDC

AMUTE

RVAR

DC Steps

Output Mute Condition

Input Impedance

Av = 0 to -20dB

Av = -20 to -79dB

Adjacent att. steps

SPEAKER ATTENUATORS

VTH

Zero CrossingThreshold

D7 = 0

AUDIO OUTPUTS

NO(OFF) Output Noise (OFF)

NO(MOV)

NO(MUS)

NO(SIM)

NO(SRS)

d

SC

VOCL

ROUT

VOUT

Output Noise (Movie) Standard

Surround Sound

Output Noise (Music) Standard

Surround Sound

Output Noise (Simulated)

Standard Surround Sound

Output Noise (SRS)

Surround Sound

Distorsion

Channel Separation

Clipping Level

Output Resistance

DC Voltage Level

BUS INPUTS

VIL

Input Low Voltage

VIH

Input High Voltage

IIN

Input Current

VO

Output Voltage SDA

Acknowledge

Output Mute, Flat

BW = 20Hz to 20KHz

Mode =Movie ,

BW = 20Hz to 20KHz

Mode = Music ,

BW = 20Hz to 20KHz,

Mode = Simulated,

BW = 20Hz to 20KHz

BW = 20Hz to 20KHz

Av = 0 ; Vin = 1Vrms

d = 0.3%

IO = 1.6mA

Min. Typ. Max. Unit

79

dB

0.5

1

1.5

dB

-1.5

0

1.5

dB

-3

0

2

dB

-3

0

3

mV

70

100

dB

22.5 30 37.5 KΩ

VS

2

+

20

mV

4

µVrms

5

µVrms

30

µVrms

30

µVrms

30

µVrms

50

µVrms

0.01 0.1

%

70

90

dB

2

2.5

Vrms

10

30

50

Ω

3.8

V

1

V

3

V

-5

+5

µA

0.4

V

6/21

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